Bachelor, Catholic University America, 1939. Master of Arts, Catholic University America, 1940. Doctor of Philosophy, Yale University, 1952.
Instructor history University Massachusetts, Amherst, 1948-1952, assistant professor, 1952-1957, associate professor, 1957-1959, Catholic University American, Washington, 1959-1964, professor, 1964-1984, professor emeritus, from 1984. Member Woodrow Wilson Fellowship Region Committee, 1961-1966.
Served with United States Army, 1942-1945. Member Central European History Association, American Catholic History Association (member executive council 1979-1981), American Association of University Professors.
Married Ruth Evelyn Smith. September 23, 1946; children– Mary Ann Zeender Donovan, John Jeffrey, Mark Peter, James Douglass, Thomas Lawrence.